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add keyword highlighting

plugins
Patrick Cleavelin 2023-12-27 16:47:52 -06:00
parent 2ba63ea655
commit 65247f7838
1 changed files with 141 additions and 4 deletions
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145
src/main.odin
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@ -9,8 +9,8 @@ import "core:mem"
import "core:slice" import "core:slice"
import "vendor:raylib" import "vendor:raylib"
source_font_width :: 8*2; source_font_width :: 8;
source_font_height :: 16*2; source_font_height :: 16;
line_number_padding :: 5 * source_font_width; line_number_padding :: 5 * source_font_width;
PaletteColor :: enum { PaletteColor :: enum {
@ -486,6 +486,142 @@ new_file_buffer :: proc(allocator: mem.Allocator, file_path: string) -> (FileBuf
} }
} }
is_keyword :: proc(start: FileBufferIter, end: FileBufferIter) -> (matches: bool) {
keywords := []string {
"using",
"transmute",
"cast",
"distinct",
"opaque",
"where",
"struct",
"enum",
"union",
"bit_field",
"bit_set",
"if",
"when",
"else",
"do",
"for",
"switch",
"case",
"continue",
"break",
"size_of",
"offset_of",
"type_info_of",
"typeid_of",
"type_of",
"align_of",
"or_return",
"or_else",
"inline",
"no_inline",
"string",
"cstring",
"bool",
"b8",
"b16",
"b32",
"b64",
"rune",
"any",
"rawptr",
"f16",
"f32",
"f64",
"f16le",
"f16be",
"f32le",
"f32be",
"f64le",
"f64be",
"u8",
"u16",
"u32",
"u64",
"u128",
"u16le",
"u32le",
"u64le",
"u128le",
"u16be",
"u32be",
"u64be",
"u128be",
"uint",
"uintptr",
"i8",
"i16",
"i32",
"i64",
"i128",
"i16le",
"i32le",
"i64le",
"i128le",
"i16be",
"i32be",
"i64be",
"i128be",
"int",
"complex",
"complex32",
"complex64",
"complex128",
"quaternion",
"quaternion64",
"quaternion128",
"quaternion256",
"matrix",
"typeid",
"true",
"false",
"nil",
"dynamic",
"map",
"proc",
"in",
"notin",
"not_in",
"import",
"export",
"foreign",
"const",
"package",
"return",
"defer",
};
for keyword in keywords {
it := start;
keyword_index := 0;
for character in iterate_file_buffer(&it) {
if character != keyword[keyword_index] {
break;
}
keyword_index += 1;
if keyword_index >= len(keyword) && it == end {
matches = true;
break;
} else if keyword_index >= len(keyword) {
break;
} else if it == end {
break;
}
}
if matches {
break;
}
}
return;
}
color_character :: proc(buffer: ^FileBuffer, start: Cursor, end: Cursor, palette_index: PaletteColor) { color_character :: proc(buffer: ^FileBuffer, start: Cursor, end: Cursor, palette_index: PaletteColor) {
start, end := start, end; start, end := start, end;
@ -577,8 +713,9 @@ color_buffer :: proc(buffer: ^FileBuffer) {
if !succ { break; } if !succ { break; }
// TODO: color keywords // TODO: color keywords
if is_keyword(start_it, it) {
if character, _, cond := iterate_file_buffer(&it); cond { color_character(buffer, start_it.cursor, end_of_word_it.cursor, .Blue);
} else if character, _, cond := iterate_file_buffer(&it); cond {
if character == '(' { if character == '(' {
color_character(buffer, start_it.cursor, end_of_word_it.cursor, .Green); color_character(buffer, start_it.cursor, end_of_word_it.cursor, .Green);
} }